Ios 一个ViewController中的多个UIPickerView
我有两个UiTextfield,当单击相应的UiTextfield时,它们应该显示不同的UiPickerView。。。。。。。 所以我用了这个 if(textField.isFirstResponder()==true) 要查找已单击的文本字段…此操作无效Ios 一个ViewController中的多个UIPickerView,ios,swift,uitextfield,uipickerview,Ios,Swift,Uitextfield,Uipickerview,我有两个UiTextfield,当单击相应的UiTextfield时,它们应该显示不同的UiPickerView。。。。。。。 所以我用了这个 if(textField.isFirstResponder()==true) 要查找已单击的文本字段…此操作无效 class ViewController: UIViewController, UIPickerViewDataSource , UIPickerViewDelegate { var pickerData = ["11", "12", "
class ViewController: UIViewController, UIPickerViewDataSource , UIPickerViewDelegate {
var pickerData = ["11", "12", "13"]
var pickerDataOthr = ["ada","daad","ada","daad","ada","daad","ada","daad"]
@IBOutlet weak var textField: UITextField!
@IBOutlet weak var textFieldTwo: UITextField!
@IBOutlet weak var tftw: UITextField!
func pickerCode(){
let picker: UIPickerView
picker = UIPickerView(frame: CGRectMake(0, 200, view.frame.width, 300))
picker.backgroundColor = .whiteColor()
picker.showsSelectionIndicator = true
picker.delegate = self
picker.dataSource = self
let toolBar = UIToolbar()
toolBar.barStyle = UIBarStyle.Default
toolBar.translucent = true
toolBar.tintColor = UIColor(red: 76/255, green: 217/255, blue: 100/255, alpha: 1)
toolBar.sizeToFit()
let doneButton = UIBarButtonItem(title: "Done", style: UIBarButtonItemStyle.Plain, target: self, action: "donePicker")
let spaceButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.FlexibleSpace, target: nil, action: nil)
let cancelButton = UIBarButtonItem(title: "Cancel", style: UIBarButtonItemStyle.Plain, target: self, action: "donePicker")
toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
toolBar.userInteractionEnabled = true
}
func numberOfComponentsInPickerView(pickerView: UIPickerView) -> Int{
return 1
}
func pickerView(pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int{
var count: Int
if(textField.isFirstResponder() == true)
{
count = pickerData.count
}
else
{
count = pickerDataOthr.count
}
return count
}
func pickerView(pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
var stro:String
if(textField.isFirstResponder() == true)
{
stro = pickerData[row]
}
else
{
stro = pickerDataOthr[row]
}
return stro
}
func pickerView(pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
if(textField.isFirstResponder() == true)
{
textField.text = pickerData[row]
}
else
{
textFieldTwo.text = pickerDataOthr[row]
}
}
func donePicker(){
if(textField.isFirstResponder() == true)
{
textField.resignFirstResponder()
}
else
{
textFieldTwo.resignFirstResponder()
}
}
func canclePicker(){
if(textField.isFirstResponder() == true)
{
textField.resignFirstResponder()
}
else
{
textFieldTwo.resignFirstResponder()
}
}
}
向每个文本字段添加标记
var tagMaster: Int!
func setUpTag(){
textField.tag = 1
textField.delegate = self
textFieldtwo.tag = 2
textFieldtwo.delegate = self
}
在picker helper方法中,通过picker标记识别单击的picker。代替
textField.isFirstResponder()
我曾经
textField.tag从何处调用pickerCode()方法?